Ocean Warming News

Coral reefs in Hawaiian waters are facing the prospect of another major bleaching event as ocean temperatures rise above the norm. “We found the first signs of [coral] bleaching off…

In our last Reefscape story, we explored the northern Marshall Islands in search of answers about the long-term effects of nuclear fallout on coral reefs. We visited Rongelap and Ailinginae…

As rising sea surface temperatures drive more frequent and more intense coral bleaching episodes around the world, global models have often predicted that few healthy coral reefs will remain in…

Coral reefs in protected areas that regulate fishing and pollution have declined to the same extent as reef systems in unprotected areas, according to recent research. The study, published in…

A mystery disease outbreak that has devastated more than 20 species of starfish along the western coast of North America since 2013 has claimed yet another victim: the sunflower sea…

Baby krill living around Antarctica are struggling to cope with rising sea temperatures, new research suggests. The study, published online Jan. 21 in the journal Nature Climate Change, shows that…

Global climate change is impacting Earth’s oceans in a number of ways, from higher water temperatures and rising sea levels to acidification and oxygen depletion. Now, scientists have reported another…

2017 currently holds the record for hottest ocean temperatures, but, according to a new study, 2018 is likely to take the top spot as hottest year on record for Earth’s…

CHENNAI, India — In a small fishing hamlet, one of thousands dotting India’s 7,500-kilometer (4,660-mile) coastline, a community leader opens his smartphone and searches his contacts for “Map Saravanan” to…

NUSA DUA, Indonesia — Global participants in the fifth Our Ocean Conference have pledged the highest amount of funding yet for new initiatives and commitments on the protection of a…

New research finds that the mass bleaching event that led to the death of 30 percent of shallow-water corals on the Great Barrier Reef in 2016 also had a substantial…

Prior to the back-to-back bleaching events that hit the Great Barrier Reef in 2016 and 2017, the UNESCO World Heritage Site had suffered two other bouts of extensive bleaching in…

PUNTA CANA, Dominican Republic — At 8 o’clock on a May morning the Caribbean Sea was calm, offering a clean window to the underwater realm. Flying 2,000 meters (6,560 feet)…

Fish talk. They boom, buzz, croak, and chatter. They even create a dawn chorus similar to birds. Shrimp vocalize too, by snapping and popping. A reef’s soundscape—the variety of sounds…

Vast swaths of the world’s oceans are turning into “dead zones” as global warming and pollution strips them of oxygen, threatening marine life on a massive scale, a new study…

Coral reefs support 25% of the world’s marine species, protect shorelines, support fisheries, and encourage eco-tourism—their global economic value is over US $30 billion per year. A new film, “Chasing…

Ocean oxygen levels have been dropping since the 1980s in a pattern consistent with expectations from global warming, according to a new analysis of 50 years of global ocean data.…

Marine fisheries have been estimated to support the livelihoods of 10 to 12 percent of the world’s population and generate an average of $100 billion in revenue every year. But…

Global warming is changing Earth’s oceans and those impacts will last for decades even if we rein in greenhouse gas emissions from human activities, according to new research. A report…